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Process and apparatus for recovery from rotating stall in axial flow fans and compressors

  • US 5,782,603 A
  • Filed: 01/03/1997
  • Issued: 07/21/1998
  • Est. Priority Date: 01/03/1997
  • Status: Expired due to Fees
First Claim
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1. A compressor or axial flow fan, comprising:

  • an inlet for admitting a working gas into said compressor or axial flow fan;

    means for sensing rotating stall in said compressor or axial flow fan; and

    means for injecting low density gas which is of a density that is lower than said working gas into said compressor or axial flow fan in response to the rotating stall sensed by said means for sensing rotating stall.

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